diff --git a/Makefile b/Makefile
index fd352ff..6b6380b 100644
--- a/Makefile
+++ b/Makefile
@@ -17,7 +17,7 @@ LIBSRC = uart_init_.c uart_send_chr.c uart_send_str.c \
 	 rotary_encoder_stat.c \
 	 sevenseg_dec.c sevenseg_dec_inv.c \
 	 int_to_bcd.c getbutton.c \
-	 getpin.c setpin_lo.c setpin_hi.c setpin.c
+	 getpin.c setpin_lo.c setpin_hi.c setpin.c getport.c
 
 LIBOBJ =$(patsubst %.c,%.rel, $(LIBSRC))
 LIBNAME=mc8051fun.lib
diff --git a/mc8051fun.h b/mc8051fun.h
index 7338716..ea28017 100644
--- a/mc8051fun.h
+++ b/mc8051fun.h
@@ -66,6 +66,7 @@ void setpin_hi(i8051pin_T *pin);
 void setpin_lo(i8051pin_T *pin);
 int getpin(i8051pin_T *pin);
 void setpin(i8051pin_T *pin, uint8_t val);
+uint8_t getport(int n);